nit for civil works under f2 contract

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including taking out the excavated soil & disposal of surplus excavated soil as directed, within or outside the site at an unobjectionable place.i) All kinds of Soil

Extra for earth work in hard soil as per specification and direction of E/I. (vide classfication of soil item - B)

Filling in foundation trenches and plinth in layers not exceeding 150 mm. thick well watered, rammed, fully compacted and fine dressed with earth obtained from excavation of foundation trenches within a lead of 50 M and lift of 1.5M all complete as per building specification and direction of EA (Mode of

Providing coarse clean sand in filling in foundation trenches or in plinth including ramming and watering in layers not exceeding 150mm thick with all leads and lifts including cost of all materials, labour, royalty and taxes all complete as per building specification and direction of E/I. (Mode of measurement compacted volume)

Construction of Embankment with approved material obtained from Borrow pits with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300-2

Treatment of soil under existing floors using chemical emul sion @ one litre per hole, 300 mm apart including drilling12 mm diameter holes and plugging with cement mortar 1 :2(1 cement : 2 Coarse sand) to match the existing floor:With Chlorpyriphos E.C. 20% with 1% concentration

Supplying chemical emulsion in sealed containers including delivery as specified. Chlorpyriphos/ Lindane emulsifiable concentrate of 20%

Making plinth protection 50 mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-Ill) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75 mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Providing and laying in position cement concrete of specified grade excluding cost of centering & shuttering. All work up to plinth level:1:4:8(1 Cement :4 Fine Sand : 8 Graded stone aggregate of 40mm)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 40 mm nominal size)